Backplane of control system



FIG. 1 is a front elevation view of a backplane of control system showing our new design;

FIG. 2 is a back elevation view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line in the drawings is included for the purpose of illustrating environment and forms no part of the claimed design. 

CLAIM The ornamental design of a backplane of control system, as shown and described. 